Vendor Vite's importMeta.d.ts inside our repo to workaround issue with tsc on Linux

.changeset/hungry-adults-juggle.md

@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fix `tsc` not being able to find Vite's import.meta types on Linux

packages/astro/client-base.d.ts

@@ -1,4 +1,4 @@
-/// <reference types="vite/types/importMeta" />
+/// <reference path="./import-meta.d.ts" />
 
 // CSS modules
 type CSSModuleClasses = { readonly [key: string]: string };

packages/astro/import-meta.d.ts

@@ -0,0 +1,37 @@
+// File vendored from Vite itself, as a workaround to https://github.com/vitejs/vite/pull/9827 until Vite 4 comes out
+
+// This file is an augmentation to the built-in ImportMeta interface
+// Thus cannot contain any top-level imports
+// <https://www.typescriptlang.org/docs/handbook/declaration-merging.html#module-augmentation>
+
+/* eslint-disable @typescript-eslint/consistent-type-imports */
+
+// Duplicate of import('../src/node/importGlob').GlobOptions in order to
+// avoid breaking the production client type. Because this file is referenced
+// in vite/client.d.ts and in production src/node/importGlob.ts doesn't exist.
+interface GlobOptions {
+	as?: string;
+}
+
+interface ImportMeta {
+	url: string;
+
+	readonly hot?: import('vite/types/hot').ViteHotContext;
+
+	readonly env: ImportMetaEnv;
+
+	glob: import('vite/types/importGlob').ImportGlobFunction;
+	/**
+	 * @deprecated Use `import.meta.glob('*', { eager: true })` instead
+	 */
+	globEager: import('vite/types/importGlob').ImportGlobEagerFunction;
+}
+
+interface ImportMetaEnv {
+	[key: string]: any;
+	BASE_URL: string;
+	MODE: string;
+	DEV: boolean;
+	PROD: boolean;
+	SSR: boolean;
+}